From 1e617eb3e3ebce1070802061fde3be924a275d68 Mon Sep 17 00:00:00 2001
From: Marco Castelluccio <mcastelluccio@mozilla.com>
Date: Wed, 25 Mar 2020 16:20:41 +0100
Subject: [PATCH] Add a comment

---
 mozci/push.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/mozci/push.py b/mozci/push.py
index d7a3ac5d..ee85bc8b 100644
--- a/mozci/push.py
+++ b/mozci/push.py
@@ -446,6 +446,8 @@ def get_candidate_regressions(self, runnable_type):
                 candidate_regressions[name] = (count, summary.status)
 
             other = other.child
+            # Any failure that comes after this push has been backed-out, can't
+            # be blamed on this push.
             if self.backedoutby in other.revs:
                 break
             count += 1